Oscar-winning producer Brian Grazer, mogul Steve Bing and Time Warner CEO Jeff Bewkes were groomsmen for the wedding of Starz CEO Chris Albrecht, 59, to Montana Coady, 25. The service at All Saints’ Episcopal Church was followed by a lavish party in fitting with the Hollywood guest list at the Beverly Hills Hotel on Saturday. The bride wore a custom-designed wedding dress from Monique Lhuillier, with a train, and a Marchesa after-party dress. The bridesmaids were decked out in strapless crimson gowns. “Guests said they’d never seen Chris look so happy,” a source told us. Among the 150 at the party were best man, producer Geyer Kosinski, Larry David, Harvey Weinstein, director Brett Ratner, Paramount’s Brad Grey, Billy Crystal, Nikki Haskell, Karolina Kurkova, Chris Rock, CBS’ Les Moonves and wife Julie Chen. The couple were engaged in May 2010, when Albrecht gave her a 7.5-carat diamond ring. Despite the age gap, he told GQ at the time, “I feel … totally and completely in love.”